#计算每个班的总成绩
score = [[99,89,79,69],[98,88,78,68,58],[97,87,77]]
banji = 0
for i in score:
    c = 0
    for a in i:
        c = a + c
    banji = banji + 1
    print("{}班的成绩是{}".format(banji,c))